83 lines
2.9 KiB
C
83 lines
2.9 KiB
C
/*
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* Copyright (C) 2011 by Nelson Elhage
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <unistd.h>
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#include <sys/ptrace.h>
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#include <sys/user.h>
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enum child_state {
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ptrace_detached = 0,
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ptrace_at_syscall,
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ptrace_after_syscall,
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ptrace_running,
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ptrace_stopped,
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ptrace_exited
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};
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struct ptrace_child {
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pid_t pid;
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enum child_state state;
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int personality;
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int status;
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int error;
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unsigned long forked_pid;
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struct user user;
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unsigned long saved_syscall;
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};
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struct syscall_numbers {
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long nr_mmap;
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long nr_mmap2;
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long nr_munmap;
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long nr_getsid;
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long nr_setsid;
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long nr_setpgid;
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long nr_fork;
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long nr_wait4;
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long nr_signal;
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long nr_rt_sigaction;
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long nr_open;
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long nr_close;
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long nr_ioctl;
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long nr_dup2;
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};
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typedef unsigned long child_addr_t;
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int ptrace_wait(struct ptrace_child *child);
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int ptrace_attach_child(struct ptrace_child *child, pid_t pid);
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int ptrace_finish_attach(struct ptrace_child *child, pid_t pid);
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int ptrace_detach_child(struct ptrace_child *child);
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int ptrace_wait(struct ptrace_child *child);
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int ptrace_advance_to_state(struct ptrace_child *child,
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enum child_state desired);
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int ptrace_save_regs(struct ptrace_child *child);
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int ptrace_restore_regs(struct ptrace_child *child);
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unsigned long ptrace_remote_syscall(struct ptrace_child *child,
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unsigned long sysno,
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unsigned long p0, unsigned long p1,
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unsigned long p2, unsigned long p3,
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unsigned long p4, unsigned long p5);
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int ptrace_memcpy_to_child(struct ptrace_child *, child_addr_t, const void*, size_t);
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int ptrace_memcpy_from_child(struct ptrace_child *, void*, child_addr_t, size_t);
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struct syscall_numbers *ptrace_syscall_numbers(struct ptrace_child *child);
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